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DSO2D10 AWG problem

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Post time 2023-2-28 08:13:51 | Show the author posts only Reply Awards |Descending |Read mode
Customer consultation
I am a customer who purchased the DSO2D10 and recently there was an issue with the AWG.
It no longer outputs a signal and is just a set voltage of -1.8V DC.
There seems to be no reason for this as the AWG was working to drive an op amp until it stopped. Any help would be appreciated on troubleshooting this issue.


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 Author| Post time 2023-2-28 08:18:03 | Show the author posts only
Edited by e_admin678 at 2023-2-28 08:19

This may be that the chip LM670 has been burnt out. Please test whether there is a problem. If there is a problem, replace the same chip

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Post time 2023-3-7 01:21:16 | Show the author posts only
You can find some reverse engineered schematics here:
https://www.eevblog.com/forum/te ... 4270783/#msg4270783

Before blindly replacing parts I'd suggest you start by tracing the signals out of the DAC then through the op-amp and relay to find where things go wrong.

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Post time 2023-11-29 18:42:49 | Show the author posts only
本帖最后由 kevinmartin 于 2024-2-13 19:47 编辑

The DSO2D10 AWG problem is a challenging problem in the field of digital signal processing. This involves reconstructing the signal from its discrete-time samples, which are taken at discrete sample points.

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